155146199 has 16 divisors (see below), whose sum is σ = 177331392. Its totient is φ = 134466048.

The previous prime is 155146183. The next prime is 155146231. The reversal of 155146199 is 991641551.

It is a cyclic number.

It is not a de Polignac number, because 155146199 - 2⁴ = 155146183 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155146139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181457 + ... + 182309.

It is an arithmetic number, because the mean of its divisors is an integer number (11083212).

Almost surely, 2^155146199 is an apocalyptic number.

155146199 is a deficient number, since it is larger than the sum of its proper divisors (22185193).

155146199 is a wasteful number, since it uses less digits than its factorization.

155146199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706.

The product of its digits is 48600, while the sum is 41.

The square root of 155146199 is about 12455.7697072481. The cubic root of 155146199 is about 537.3373716756.

The spelling of 155146199 in words is "one hundred fifty-five million, one hundred forty-six thousand, one hundred ninety-nine".